Wellhead cleaning operation platform for minor repair operation

The invention provides a wellhead cleaning operation platform for minor repair operation, which comprises a casing four-way joint provided with a first port and a second port which are oppositely arranged, and a third port and a fourth port which are oppositely arranged; one sleeve gate is arranged...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HUANG XINGBO, CHEN DA, WANG CHUNXIANG, LI ZHENJUN, JI YAOBO, WANG XIAOBING, LIU YING, CUI CHENBIN, ZHANG HONGFENG, BAI CHEN, ZHANG SHAOLIANG, LI PENG, YU TANGMAO, DENG LUNING, WAN LI, ZHANG RENJIE, JI PENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	The invention provides a wellhead cleaning operation platform for minor repair operation, which comprises a casing four-way joint provided with a first port and a second port which are oppositely arranged, and a third port and a fourth port which are oppositely arranged; one sleeve gate is arranged at the first port, and the other sleeve gate is arranged at the second port; one end of the casing pipe nipple is connected with the third port; one end of the gap bridge short section is connected with the fourth port; the blowout preventer is connected with the other end of the gap bridge short section; the operation platform is provided with a mounting hole, the gap bridge short section penetrates through the mounting hole, the operation platform is further provided with a dirt collecting groove and at least two observation windows, the dirt collecting groove is not communicated with the observation windows, at least one observation window is arranged corresponding to the sleeve gate arranged at the first port,